<template>
  <header class="header">
    <h1>todos</h1>
    <input id="toggle-all" class="toggle-all" type="checkbox" >
    <label for="toggle-all"></label>
    <input
      class="new-todo"
      placeholder="输入任务名称-回车确认"
      autofocus
      v-model="txt"
   @keyup.enter="addtextcontent"
    />
  </header>
</template>

<script>
// import{mapMutations}from'vuex'
export default {
  data(){
    return{
      txt:''
    }
  },
methods:{
  // ...mapMutations('TodoHeader',['setcontent']),
  addtextcontent(){
    if(this.txt.trim()==""){
      return alert('请输入内容')
    }
       this.$store.commit('TodoHearder/setcontent',this.txt)
       this.txt=''
  }

}
}
</script>
